Climatological Report (Daily)
Issued by NWS

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293
CDUS46 KBOI 010129
CLIONO

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
729 PM MDT MON AUG 31 2026

...................................

...THE ONTARIO OR CLIMATE SUMMARY FOR AUGUST 31 2026...
VALID TODAY AS OF 0700 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         86    536 PM 102    1967  89     -3       96
                                      2022
  MINIMUM         41    628 AM  35    1965  54    -13       54
  AVERAGE         64                        71     -7       75

PRECIPITATION (IN)
  TODAY            0.00          0.40 1984   0.00   0.00     0.00
  MONTH TO DATE    0.01                      0.12  -0.11     0.70
  SINCE OCT 1      9.70                      9.19   0.51    12.54
  SINCE JAN 1      6.16                      6.28  -0.12     7.37

DEGREE DAYS
 HEATING
  TODAY            1                         0      1        0
  MONTH TO DATE    2                         0      2        0
  SINCE JUN 1     42                        34      8       27
  SINCE JUL 1      2                         2      0        0

 COOLING
  TODAY            0                         7     -7       10
  MONTH TO DATE  356                       349      7      343
  SINCE JUN 1    971                       939     32      990
  SINCE JAN 1   1022                       998     24     1047
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     2.4


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           600 AM
 LOWEST     13           500 PM
 AVERAGE    48

..........................................................


THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       104      1967
 MINIMUM TEMPERATURE (F)   54        37      1965


SUNRISE AND SUNSET
AUGUST 31 2026........SUNRISE   710 AM MDT   SUNSET   825 PM MDT
SEPTEMBER  1 2026.....SUNRISE   711 AM MDT   SUNSET   824 PM MDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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